////
//// Created by shenlf on 2021-12-26.
////
//
//#include <iostream>
//
//using namespace std;
//int main(){
//
//    cout << "Enter two number:" << endl;
//
//    int v1, v2;
//    cin >> v1 >> v2;
//    cout << "The sum of" << v1 << " and " << v2
//         << " is " << v1 + v2 << endl;
//    return 0;
//}